antoninacalcotelara antoninacalcotelara

03-01-2021
Chemistry

contestada

What is the molecular formula of the compound with a molecular weight of 112 g/mol and percent composition: 85.6% C and 14.4% H?
Select one:
a.C2H4
b.CH2
c.C4H8
d.C8H16

Respuesta :

ChoiSungHyun ChoiSungHyun

03-01-2021

Explanation:

Mass of C = 112g * (85.6/100) = 95.87g

Moles of C = 95.87g / (12g/mol) = 8

Mass of H = 112g * (14.4/100) = 16.13g

Moles of C = 16.13g / (1g/mol) = 16

Hence the compound is C8H16. (D)

Answer Link

Otras preguntas

How many grandparents have my grandparents? who can solve it is very good on maths! it is just a lpgic problem! i know the answer :)

A tree was chopped down and cut up in a local forest.The tree changed in shape.What kind of change took place?A.chemical changeB.physical change C.phase changeD

The unstated purpose of the Alien and Sedition Acts was to (A) unite the nation in time of danger (B) deport immigrants who were becoming too numerous (C) prote

What are abiotic factors of the enviroment lynx

A flight instructor charges $50 per lesson, plus an additional fee for the use of his plane. The charge for the use of the plane varies directly with the square

USE A NUMBER LINE TO FIND 8/9 / 8/45.

3x+y=4 2x+y=5 solve using linear combination

The unstated purpose of the Alien and Sedition Acts was to (A) unite the nation in time of danger (B) deport immigrants who were becoming too numerous (C) prote

Why were people from Africa brought to Georgia?

3x+y=4 2x+y=5 solve using linear combination